Redfin is an “online brokerage for residential real estate,” and, if you read the company’s website, it was actually the first one.  It’s probably also the richest – Redfin just received $12 million in financing.

The number of people going online to seek housing information has doubled since 2000, the Pew Internet and American Life Project reported. As that number increases, it seems local advertisers and business owners are missing out on some golden opportunities. There has to be a way to combine local targeting and online housing listings.